A method of pregnancy diagnosis in sows by ultrasonic detection of the gravid uterine pulse per rectum.
D000818:Animals; D005260:Female; D005333:Fetus; D011247:Pregnancy; D011258:Pregnancy Tests / Q000662:veterinary*; D011674:Pulse; D012007:Rectum; D013552:Swine; D014465:Ultrasonics; D014599:Uterus